public bool Initialize(string n, string p, string t)
{
int hr = 0;
path = p;
name = n;
textureName = t;
if (textureName == null)
{
textureName = Manager.TextureName(this);
}
log.InfoFormat("DirectShowCodec[{0}] Initialize: {1} ({2}), texture '{3}'", ID(), name, path, textureName);
// check for DirectX-ness
if (!(Root.Instance.RenderSystem is Axiom.RenderSystems.DirectX9.D3D9RenderSystem))
{
throw new Exception("DirectShow movie codec is DirectX only");
}
if ((Root.Instance.RenderSystem as D3D9RenderSystem).PrimaryWindow == null)
{
throw new Exception("Initializing before primary window has been created");
}
D3DRenderWindow rw = (Root.Instance.RenderSystem as D3D9RenderSystem).PrimaryWindow;
// Create a DirectShow FilterGraph
graphBuilder = (IFilterGraph2)new FilterGraph();
// Add it in ROT for debug purpose
rot = new DsROTEntry(graphBuilder);
// Create a VMR9 object
vmr9 = (IBaseFilter)new VideoMixingRenderer9();
IVMRFilterConfig9 filterConfig = (IVMRFilterConfig9)vmr9;
// We want the Renderless mode!
hr = filterConfig.SetRenderingMode(VMR9Mode.Renderless);
DsError.ThrowExceptionForHR(hr);
// One stream is enough for this sample
hr = filterConfig.SetNumberOfStreams(1);
DsError.ThrowExceptionForHR(hr);
// Create the Allocator / Presenter object
Device device = (Device)rw.GetCustomAttribute("D3DDEVICE");
allocator = new DirectShowAllocator(device, ID(), TextureName());
IVMRSurfaceAllocatorNotify9 vmrSurfAllocNotify = (IVMRSurfaceAllocatorNotify9)vmr9;
// Notify the VMR9 filter about our allocator
hr = vmrSurfAllocNotify.AdviseSurfaceAllocator(IntPtr.Zero, allocator);
DsError.ThrowExceptionForHR(hr);
// Notify our allocator about the VMR9 filter
hr = allocator.AdviseNotify(vmrSurfAllocNotify);
DsError.ThrowExceptionForHR(hr);
IVMRMixerControl9 mixerControl = (IVMRMixerControl9)vmr9;
// Select the mixer mode : YUV or RGB
hr = mixerControl.SetMixingPrefs(VMR9MixerPrefs.RenderTargetYUV | VMR9MixerPrefs.NoDecimation | VMR9MixerPrefs.ARAdjustXorY | VMR9MixerPrefs.BiLinearFiltering);
DsError.ThrowExceptionForHR(hr);
// Add the VMR-9 filter to the graph
hr = graphBuilder.AddFilter(vmr9, "Video Mixing Renderer 9");
DsError.ThrowExceptionForHR(hr);
bool shouldStream = false;
string url = path;
#if false
int maxRedirects = DirectShowWebReader.MAX_REDIRECTS;
DirectShowWebReader reader = null;
while (maxRedirects != 0)
{
if (url.StartsWith("http://") || url.StartsWith("https://"))
{
try
{
// Start reading the data
reader = new DirectShowWebReader();
hr = reader.Load(url);
DsError.ThrowExceptionForHR(hr);
shouldStream = true;
break;
}
catch (DirectShowWebReader.RedirectException e)
{
log.Info("Redirect to (" + e.url + ")");
url = e.url;
maxRedirects--;
reader = null;
}
}
else
{
shouldStream = false;
reader = null;
break;
}
}
if (maxRedirects == 0)
{
log.Warn("Stopped redirection after " + DirectShowWebReader.MAX_REDIRECTS + " attempts.");
}
#else
shouldStream = DirectShowCodec.ShouldStream(url);
#endif
if(shouldStream)
{
#if false
// Add our source filter to the graph
DirectShowStreamer strm = new DirectShowStreamer(reader);
hr = graphBuilder.AddFilter(strm, DirectShowStreamer.FILTER_NAME);
DsError.ThrowExceptionForHR(hr);
streamer = strm;
streamer.SetType(reader.MajorType, reader.MinorType);
// Render the file
hr = graphBuilder.Render(strm.GetOutputPin());
DsError.ThrowExceptionForHR(hr);
#else
WMAsfReader asf = new WMAsfReader();
IBaseFilter ibf = (asf as IBaseFilter);
IFileSourceFilter ifs = (asf as IFileSourceFilter);
hr = ifs.Load(url, IntPtr.Zero);
DsError.ThrowExceptionForHR(hr);
// XXXMLM - how to set buffer time?
// IWMStreamConfig2 on the output pins?
hr = graphBuilder.AddFilter(ibf, "WM ASF Reader");
DsError.ThrowExceptionForHR(hr);
IEnumPins ie;
IPin[] pins = new IPin[1];
hr = ibf.EnumPins(out ie);
int fetched = 0;
while (hr == 0)
{
hr = ie.Next(1, pins, out fetched);
if (fetched != 0)
{
hr = graphBuilder.Render(pins[0]);
DsError.ThrowExceptionForHR(hr);
}
}
#endif
}
else
{
// Render the file
hr = graphBuilder.RenderFile(url, null);
DsError.ThrowExceptionForHR(hr);
}
#if true
// Run the graph
hr = (graphBuilder as IMediaControl).Run();
DsError.ThrowExceptionForHR(hr);
// Wait for ready
hr = (graphBuilder as IMediaControl).Pause();
DsError.ThrowExceptionForHR(hr);
ps = PLAY_STATE.BUFFERING;
#endif
return true;
}
public DirectShowMovie()
: base()
{
looping = false;
allocator = null;
streamer = null;
}
public PinEnumerator(DirectShowStreamer parent)
{
p = parent;
e = parent.pins.GetEnumerator();
c = 0;
}
public DirectShowStreamingPin(DirectShowStreamer p, DirectShowWebReader r)
{
parent = p;
reader = r;
media = new List<AMMediaType>();
media.Add(new AMMediaType());
media[0].majorType = MediaType.Stream;
media[0].subType = MediaType.Null;
mediatype = new AMMediaType();
mediatype.majorType = media[0].majorType;
mediatype.subType = media[0].subType;
}
public override void Unload()
{
lock (this)
{
int hr = 0;
log.InfoFormat("DirectShowCodec[{0}]: unload", ID());
// Remove the ROT entry
if (rot != null)
{
rot.Dispose();
}
if (graphBuilder != null)
{
// Stop DirectShow notifications
hr = (graphBuilder as IMediaEventEx).SetNotifyWindow(IntPtr.Zero, 0, IntPtr.Zero);
// Stop the graph
hr = (graphBuilder as IMediaControl).StopWhenReady();
hr = (graphBuilder as IMediaControl).Stop();
// Dispose the allocator
allocator.Dispose();
allocator = null;
// Release DirectShow objects
Marshal.ReleaseComObject(vmr9);
Marshal.ReleaseComObject(graphBuilder);
graphBuilder = null;
}
if (streamer != null)
{
streamer.Shutdown();
streamer = null;
}
base.Unload();
}
}